Location History:
- Carlisle, PA (US) (1982)
- Decatur, IL (US) (1987)
- Chehalis, WA (US) (1987 - 1991)
Company Filing History:
Years Active: 1982-1991
Title: The Innovations of Robert A. Lawhon
Introduction
Robert A. Lawhon is a notable inventor based in Chehalis, WA (US). He has made significant contributions to the field of glassmaking, holding a total of 4 patents. His work focuses on enhancing the efficiency and integrity of glass production processes.
Latest Patents
Among his latest patents is the "Compressed, wedged float glass bottom structure." This invention addresses the integrity of the bottom structure in a float glass chamber, particularly in regions operating at higher than usual temperatures. The design employs wedge-shaped bottom blocks that are maintained in compression by externally applied mechanical forces. This innovative arrangement allows for a bi-layer bottom construction, featuring a high alumina upper course and a clay bottom course.
Another significant patent is the "Method of glass batch preheating and liquefying with recycling." This process is crucial in glassmaking operations, where particulates entrained in the exhaust from the preheating stage are collected and returned to the process at a location where a molten phase is present. This method effectively suppresses re-entrainment, enhancing the overall efficiency of the glass production process.
Career Highlights
Robert A. Lawhon is currently associated with PPG Industries, Inc., a leading company in the glass and coatings industry. His work at PPG has allowed him to apply his innovative ideas and contribute to advancements in glass technology.
Collaborations
Throughout his career, Lawhon has collaborated with notable colleagues, including James L. Karraker and Robert B. Heithoff. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies in glassmaking.
Conclusion
Robert A. Lawhon's contributions to the field of glassmaking through his patents and collaborations highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and pave the way for future advancements.